Windows Forms: Full Screen on secondary display problem

Hi,

I've got some .NET windows forms which I am trying to display in full screen mode (i.e. takes up the entire display, start bar and all), yet I"m having difficulties getting it to display on the correct monitor.  

My code looks as per the code snippet attached.  As you can see, I've tried both setting both the Location and the Bounds properties of the form, both of which _appear_ to place the form in the correct position, i.e. its location property becomes 1024,0 in 1024x768 res.  However, when the form is rendered, it still appears on the primary screen.  If I switch the check in the GetSecondaryScreen method to return the primary screen, rather than the secondary, the result is exactly the same; it still fills up the monitor.

public FullScreenForm()
		{
			Screen displayScreen = GetSecondaryScreen();
			if (displayScreen != null)
			{
				// Properties needed for full screen-ness.
				this.MaximizeBox = false;
				this.MinimizeBox = false;
				//this.TopMost = true;
				this.FormBorderStyle = FormBorderStyle.None;
 
				// Place the window in the secondary screen
				this.Size = new System.Drawing.Size(displayScreen.WorkingArea.Width, displayScreen.WorkingArea.Right);
 
				//this.Location = screen.WorkingArea.Location;
				this.Bounds = new System.Drawing.Rectangle(
					displayScreen.WorkingArea.X, displayScreen.WorkingArea.Y, displayScreen.WorkingArea.Width, displayScreen.WorkingArea.Right);
 
			}
		}
 
		private Screen GetSecondaryScreen()
		{
			if (Screen.AllScreens.Length <= 1)
			{
				return null; 
			}
			foreach (Screen screen in Screen.AllScreens)
			{
				if (!screen.Primary)
				{
					return screen;
				}
			}
 
			return null;
		}

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